Replaced user link with server invite

Author: Tech-Tac

index.html

@@ -29,7 +29,7 @@ <h1 style="margin-block: 0">I'm&nbsp;<span class="tech-tac">Tech-Tac</span>.</h1
       <div class="button-group" id="contact">
         <a href="mailto:im.tech.tac@gmail.com"><button class="email">E-mail</button></a>
         <a href="https://github.com/Tech-Tac"><button class="github">GitHub</button></a>
-        <a href="https://discord.com/users/730090182715375666"><button class="discord" title="techtac">Discord</button></a>
+        <a href="https://discord.gg/TbyZ3wshWp"><button class="discord">Discord</button></a>
         <a href="https://youtube.com/@Tech-Tac"><button class="youtube">YouTube</button></a>
       </div>
       <hr />